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The U.S. is experiencing increasingly worse drought conditions.
3:32
The legal definition of hemp is a cannabis plant that has no more than 0.3% of THC.
3:32
Insects may have provided humans' ancestors with key nutrients.
2:41
Black holes distort the space-time fabric.
3:01
Energy transformed into matter during the Big Bang.
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Scientists now have a detailed image of the entire universe in its infancy.
5:54
Wildfires, heat waves, flooding, and water shortages are on the rise.
6:12
The Pacific Northwest is due for a major earthquake.
28:19
COVID-19 infection continues to spread rapidly across most of the world.
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Bats are really effective at dumping heat to keep their body temperatures fairly normal.
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On September 7, 2021, a magnitude 7.0 earthquake rocked southwest Mexico.
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For Black people in America, the war on cannabis is still ongoing.
